7x+15=9x-12

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Solution for 7x+15=9x-12 equation: 



7x+15=9x-12

We move all terms to the left:

7x+15-(9x-12)=0

We get rid of parentheses

7x-9x+12+15=0

We add all the numbers together, and all the variables

-2x+27=0

We move all terms containing x to the left, all other terms to the right

-2x=-27

x=-27/-2

x=13+1/2

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